Write ARM code that decodes the immediate value in an instruction - takes the last 12...
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Write ARM code that decodes the immediate value in an instruction - takes the last 12 bits and turns it into the value it represents. a. Start by loading r1 with the value E3A01CFA (machine code for a move immediate into register) b. Isolate bits 0-7 (the rightmost 8 bits) - the 8-bit binary number - into r2 C. Isolate bits 8-11 (the four bits left of 0-7) - 4 bits indicating the rotation - into r3 d. Multiply r3 by 2 to get the actual rotation amount e. Rotate r2 to the right by that many bits. Place your answer in r4 Write ARM code that decodes the immediate value in an instruction - takes the last 12 bits and turns it into the value it represents. a. Start by loading r1 with the value E3A01CFA (machine code for a move immediate into register) b. Isolate bits 0-7 (the rightmost 8 bits) - the 8-bit binary number - into r2 C. Isolate bits 8-11 (the four bits left of 0-7) - 4 bits indicating the rotation - into r3 d. Multiply r3 by 2 to get the actual rotation amount e. Rotate r2 to the right by that many bits. Place your answer in r4
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Managerial Economics Theory Applications and Cases
ISBN: 978-0393912777
8th edition
Authors: Bruce Allen, Keith Weigelt, Neil A. Doherty, Edwin Mansfield
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